Is firsttoserve.org valid?

Domain: firsttoserve.org

Valid: Yes, but should be blocked

This domain is valid and should be able to receive e-mail.

Tested MX: firsttoserve.org.1.0001.arsmtp.com (8.31.233.60)

Using MX pointer firsttoserve.org.1.0001.arsmtp.com from DNS with priority: 0

Block: Yes

You should block this domain for signups/registrations.

Disposable: No

This does not look like a temporary/disposable e-mail domain.

Raw API reason:

Anomalies detected

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